Cited by 263Human Pose and Action RecognitionHand Gesture Recognition SystemsAdvanced Neural Network Applications

Two-Stream 3-D convNet Fusion for Action Recognition in Videos With Arbitrary Size and Length

Wang, Xuanhan, Gao, Lianli, Wang, Peng, Sun, Xiaoshuai, Liu, Xianglong·2018·IEEE Transactions on Multimedia

Abstract

3-D convolutional neural networks (3-D-convNets) have been very recently proposed for action recognition in videos, and promising results are achieved. However, existing 3-D-convNets has two “artificial” requirements that may reduce the quality of video analysis: 1) It requires a fixed-sized (e.g., 112 $\times$ 112) input video; and 2) most of the 3-D-convNets require a fixed-length input (i.e., video shots with fixed number of frames). To tackle these issues, we propose an end-to-end pipeline named Two-stream 3-D-convNet Fusion, which can recognize human actions in videos of arbitrary size and length using multiple features. Specifically, we decompose a video into spatial and temporal shots. By taking a sequence of shots as input, each stream is implemented using a spatial temporal pyramid pooling (STPP) convNet with a long short-term memory (LSTM) or CNN-E model, softmax scores of which are combined by a late fusion. We devise the STPP convNet to extract equal-dimensional descriptions for each variable-size shot, and we adopt the LSTM/CNN-E model to learn a global description for the input video using these time-varying descriptions. With these advantages, our method should improve all 3-D CNN-based video analysis methods. We empirically evaluate our method for action recognition in videos and the experimental results show that our method outperforms the state-of-the-art methods (both 2-D and 3-D based) on three standard benchmark datasets (UCF101, HMDB51 and ACT datasets).

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Crossref · 10.1109/tmm.2017.2749159

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  • DH yields unsatisfactory performance on all datasets.

    “It is also worth pointing out that DH [35], another deep-based hashing method in those baselines, yields unsatisfactory performance on all datasets, where three speculations are illustrated for those results as follows.”

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Authors
Wang, X., Gao, L., Wang, P., Sun, X., & Liu, X.
Affiliations
  • University of Electronic Science and Technology of China (CN)
  • The University of Adelaide (AU)
  • Harbin Institute of Technology (CN)
  • Beihang University (CN)
Venue
IEEE Transactions on Multimedia
Published
2018-03
Volume
20
Issue
3
Pages
634-644
ISSN
  • 1520-9210 (ISSN-L)
  • 1941-0077
OpenAlex
W2751445731
Cited by
263
References
46
Citations by year
2026: 4 · 2025: 5 · 2024: 12 · 2023: 24 · 2022: 23 · 2021: 44 · 2020: 47 · 2019: 60 · 2018: 42 · 2017: 1 · 2012: 1
FWCI
17.03
Type
journal article
Language
en
Open access
closed
Locations
  • IEEE Transactions on Multimedia (publishedVersion)
  • Adelaide Research & Scholarship (AR&S) (University of Adelaide) (submittedVersion)
Funders
  • Fundamental Research Funds for the Central Universities (ZYGX2014J063, ZYGX2014Z007)
  • National Natural Science Foundation of China (61502080, 61632007)
Topics
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Human Pose and Action Recognition
  • Physical Sciences › Computer Science › Human-Computer Interaction › Hand Gesture Recognition Systems
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Advanced Neural Network Applications
Keywords
3D convolutional neural networks, long short-term memory, decision fusion

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